| Impact of land-use types on nitrate concentration and δ15N in unconfined groundwater in rural areas of Korea WJ Choi, GH Han, SM Lee, GT Lee, KS Yoon, SM Choi, HM Ro Agriculture, ecosystems & environment 120 (2-4), 259-268, 2007 | 221 | 2007 |
| Natural 15N abundances of maize and soil amended with urea and composted pig manure WJ Choi, SM Lee, HM Ro, KC Kim, SH Yoo Plant and Soil 245, 223-232, 2002 | 205 | 2002 |
| Patterns of natural 15N in soils and plants from chemically and organically fertilized uplands WJ Choi, HM Ro, EA Hobbie Soil Biology and Biochemistry 35 (11), 1493-1500, 2003 | 185 | 2003 |
| Irrigation and fertilization effects on foliar and soil carbon and nitrogen isotope ratios in a loblolly pine stand WJ Choi, SX Chang, HL Allen, DL Kelting, HM Ro Forest ecology and management 213 (1-3), 90-101, 2005 | 132 | 2005 |
| Synthetic fertilizer and livestock manure differently affect δ15N in the agricultural landscape: A review WJ Choi, JH Kwak, SS Lim, HJ Park, SX Chang, SM Lee, MA Arshad, ... Agriculture, ecosystems & environment 237, 1-15, 2017 | 123 | 2017 |
| Urea-nitrogen transformation and compost-nitrogen mineralization in three different soils as affected by the interaction between both nitrogen inputs KH Han, WJ Choi, GH Han, SI Yun, SH Yoo, HM Ro Biology and Fertility of soils 39, 193-199, 2004 | 104 | 2004 |
| Dry matter and nitrogen accumulation and partitioning in rice (Oryza sativa L.) exposed to experimental warming with elevated CO2 HY Kim, SS Lim, JH Kwak, DS Lee, SM Lee, HM Ro, WJ Choi Plant and Soil 342, 59-71, 2011 | 100 | 2011 |
| Natural 15N abundances of inorganic nitrogen in soil treated with fertilizer and compost under changing soil moisture regimes WJ Choi, HM Ro, SM Lee Soil Biology and Biochemistry 35 (10), 1289-1298, 2003 | 100 | 2003 |
| Corn uptake and microbial immobilization of 15N-labeled urea-N in soil as affected by composted pig manure WJ Choi, SA Jin, SM Lee, HM Ro, SH Yoo Plant and Soil 235, 1-9, 2001 | 81 | 2001 |
| Recovery of fertilizer-derived inorganic-15N in a vegetable field soil as affected by application of an organic amendment WJ Choi, HM Ro, SX Chang Plant and soil 263, 191-201, 2004 | 77 | 2004 |
| Grain 15N of crops applied with organic and chemical fertilizers in a four-year rotation WJ Choi, MA Arshad, SX Chang, TH Kim Plant and Soil 284, 165-174, 2006 | 75 | 2006 |
| Nitrogen, carbon, and dry matter losses during composting of livestock manure with two bulking agents as affected by co-amendments of phosphogypsum and zeolite SS Lim, HJ Park, X Hao, SI Lee, BJ Jeon, JH Kwak, WJ Choi Ecological Engineering 102, 280-290, 2017 | 72 | 2017 |
| Phosphorus adsorption and removal by sediments of a constructed marsh in Korea JH Yoo, HM Ro, WJ Choi, SH Yoo, KH Han Ecological Engineering 27 (2), 109-117, 2006 | 72 | 2006 |
| Drainage affects tree growth and C and N dynamics in a minerotrophic peatland WJ Choi, SX Chang, JS Bhatti Ecology 88 (2), 443-453, 2007 | 70 | 2007 |
| Evaluation of contamination sources of groundwater NO3 − using nitrogen isotope data: A review WJ Choi, SM Lee, HM Ro Geosciences Journal 7, 81-87, 2003 | 70 | 2003 |
| Variations of δ13C AND δ15N in Pinus Densiflora Tree-Rings and their Relationship to Environmental Changes in Eastern Korea WJ Choi, SM Lee, SX Chang, HM Ro Water, Air, and Soil Pollution 164, 173-187, 2005 | 67 | 2005 |
| Distribution of heavy metals in soils of Shihwa tidal freshwater marshes SI Yun, WJ Choi, YD Choi, SH Lee, SH Yoo, EJ Lee, HM Ro The Korean Journal of Ecology 26 (2), 65-70, 2003 | 60 | 2003 |
| Development and validation of a multiresidue method for determination of 82 pesticides in water using GC MIR Mamun, JH Park, JH Choi, HK Kim, WJ Choi, SS Han, K Hwang, ... Journal of separation science 32 (4), 559-574, 2009 | 59 | 2009 |
| Interactive effects of N fertilizer source and timing of fertilization leave specific N isotopic signatures in Chinese cabbage and soil SI Yun, HM Ro, WJ Choi, SX Chang Soil Biology and Biochemistry 38 (7), 1682-1689, 2006 | 58 | 2006 |
| Fly ash and zeolite decrease metal uptake but do not improve rice growth in paddy soils contaminated with Cu and Zn DS Lee, SS Lim, HJ Park, HI Yang, SI Park, JH Kwak, WJ Choi Environment international 129, 551-564, 2019 | 56 | 2019 |
